313331203143143 has 4 divisors (see below), whose sum is σ = 314631332617008. Its totient is φ = 312031073669280.

The previous prime is 313331203143139. The next prime is 313331203143169. The reversal of 313331203143143 is 341341302133313.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 313331203143143 - 2² = 313331203143139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313331203193143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650064736571 + ... + 650064737052.

It is an arithmetic number, because the mean of its divisors is an integer number (78657833154252).

Almost surely, 2^{313331203143143} is an apocalyptic number.

313331203143143 is a deficient number, since it is larger than the sum of its proper divisors (1300129473865).

313331203143143 is a wasteful number, since it uses less digits than its factorization.

313331203143143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300129473864.

The product of its (nonzero) digits is 69984, while the sum is 35.

Adding to 313331203143143 its reverse (341341302133313), we get a palindrome (654672505276456).

The spelling of 313331203143143 in words is "three hundred thirteen trillion, three hundred thirty-one billion, two hundred three million, one hundred forty-three thousand, one hundred forty-three".